11030103011111 has 4 divisors (see below), whose sum is σ = 11042105300400. Its totient is φ = 11018100721824.

The previous prime is 11030103011093. The next prime is 11030103011149. The reversal of 11030103011111 is 11111030103011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11030103011111 - 2¹⁸ = 11030102748967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11030103011311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6001143266 + ... + 6001145103.

It is an arithmetic number, because the mean of its divisors is an integer number (2760526325100).

Almost surely, 2^{11030103011111} is an apocalyptic number.

11030103011111 is a deficient number, since it is larger than the sum of its proper divisors (12002289289).

11030103011111 is an equidigital number, since it uses as much as digits as its factorization.

11030103011111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12002289288.

The product of its (nonzero) digits is 9, while the sum is 14.

Adding to 11030103011111 its reverse (11111030103011), we get a palindrome (22141133114122).

It can be divided in two parts, 11030103011 and 111, that multiplied together give a palindrome (1224341434221).

The spelling of 11030103011111 in words is "eleven trillion, thirty billion, one hundred three million, eleven thousand, one hundred eleven".